// 引入axios
import axios from "axios";
// 引入element-ui里的弹框提示
import { MessageBox, Message } from "element-ui";
// 引入仓库：获取仓库里的token
import store from "@/store";
// 本地存储回去token
import { getToken } from "@/utils/auth";

//利用axios.create创建一个新的axios实例
const service = axios.create({
  //请求基础路径
  //如果你目前开发环境是development【开发环境】，发请求基础路径/dev-api
  //上线环境基础路径 /prod-api
  baseURL: process.env.VUE_APP_BASE_API,
  //请求超时时间的设置
  timeout: 5000, // request timeout
});

//请求拦截器
service.interceptors.request.use(
  (config) => {
    // do something before request is sent

    if (store.getters.token) {
      // let each request carry token
      // ['X-Token'] is a custom headers key
      // please modify it according to the actual situation
      config.headers["token"] = getToken();
    }
    return config;
  },
  (error) => {
    // do something with request error
    console.log(error); // for debug
    return Promise.reject(error);
  }
);

//相应拦截器
service.interceptors.response.use(
  (response) => {
    //获取服务器返回数据【简化:只需response.data,右侧字段的数据】
    const res = response.data;
    //潘家成mock数据：code==20000代表成功,不是20000代表失败
    //真实的接口code状态200或者20000都是代表成功
    //比如:状态201 失败
    //比如:状态码200
    //响应失败
    if (res.code !== 20000 && res.code != 200) {
      Message({
        message: res.message || "Error",
        type: "error",
        duration: 5 * 1000,
      });

      // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
      if (res.code === 50008 || res.code === 50012 || res.code === 50014) {
        // to re-login
        MessageBox.confirm(
          "You have been logged out, you can cancel to stay on this page, or log in again",
          "Confirm logout",
          {
            confirmButtonText: "Re-Login",
            cancelButtonText: "Cancel",
            type: "warning",
          }
        ).then(() => {
          store.dispatch("user/resetToken").then(() => {
            location.reload();
          });
        });
      }
      return Promise.reject(new Error(res.message || "Error"));
    } else {
      return res;
    }
  },
  (error) => {
    console.log("err" + error); // for debug
    Message({
      message: error.message,
      type: "error",
      duration: 5 * 1000,
    });
    return Promise.reject(error);
  }
);

export default service;
